QuakeFactsEvidence report · prepared 2 September 2026https://quakes99.com/entity/iscgem899562
USGS iscgem899562
2 Oct 1944, 21:29
80 km ENE of Misawa, Japan
A magnitude 6.4 mw earthquake at 58.2 km depth.
Published location
Where is 80 km ENE of Misawa, Japan?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
40.976000, 142.263000
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What the numbers mean
Magnitude measures event size; depth locates the source below the surface. Neither value alone establishes local damage or personal risk.
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Use local emergency authorities and the live USGS event page. This historical evidence page is not an alert service.
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Catalog fields and provenance
Event ID
iscgem899562
Coordinates
40.976, 142.263
Network
iscgem
Significance
636